CVE-2020-17391: Parallels Desktop prl_hypervisor Exposed Dangerous Method Information Disclosure Vulnerability
First published: Tue Aug 25 2020(Updated: )
This vulnerability allows local attackers to disclose information on affected installations of Parallels Desktop 15.1.3-47255. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handler for HOST_IOCTL_INIT_HYPERVISOR in the prl_hypervisor kext. The issue results from the exposure of dangerous method or function to the unprivileged user. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-10518.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Parallels Desktop | <16.0.0 | |
| Parallels Desktop |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-17391.
What is the title of the vulnerability?
The title of the vulnerability is 'Parallels Desktop prl_hypervisor Exposed Dangerous Method Information Disclosure Vulnerability'.
What is the severity of CVE-2020-17391?
The severity of CVE-2020-17391 is medium with a CVSS score of 6.5.
What software is affected by CVE-2020-17391?
Parallels Desktop versions up to exclusive 16.0.0 on macOS are affected by CVE-2020-17391.
How can I fix CVE-2020-17391?
To fix CVE-2020-17391, update Parallels Desktop to a version higher than 16.0.0.
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